up to 400 taliban fighters unleash a torrent of withering fire upon a remote u.s. outpost in eastern afghanistan. combat out post keating sat at the bottom of a valley that was both beautiful and deadly. it was one of the most valnerable bases in afghanistan. >> when you look at the manual and look in to find the definition of finding a defensible spot, this is the total opposite of it. >> the attack so fierce in the end more than half of the 53 u.s. troops at the outpost were killed or wounded, but as buildings burned and the enemy ran freely through the outpost, soldiers became heroes. onin particular. >> i know that there's so many great soldiers out there that would have stepped in to my shoes and done the same thing. >> real american hero. you can catch jake